123456789101112131415161718192021222324252627282930313233343536373839404142434445 |
- #include <errno.h>
- #include <unistd.h>
- #include <sys/syscall.h>
- void *__curbrk attribute_hidden = 0;
- int brk(void *addr)
- {
- void *newbrk;
- __asm__ ("syscall\n"
- : "=a" (newbrk)
- : "0" (__NR_brk), "D" (addr)
- : "r11", "rcx"
- );
- __curbrk = newbrk;
- if (newbrk < addr) {
- __set_errno(ENOMEM);
- return -1;
- }
- return 0;
- }
- libc_hidden_def(brk)
|